(19)

(11)

EP 2 831 387 A1

(12)

(43) Date of publication: 04.02.2015 Bulletin 2015/06 (21) Application number: 12872355.8 (22) Date of filing: 29.03.2012

(51) International Patent Classification (IPC):  F01N 11/00(2006.01) F01N 9/00(2006.01) (86) International application number: PCT/SE2012/000047 (87) International publication number: WO 2013/147653 (03.10.2013 Gazette 2013/40)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Volvo Construction Equipment AB 631 85 Eskilstuna (SE)	(72) Inventor: GAUDIN, Bruno S-633 69 Skogstorp (SE) (74) Representative: Volvo Technology Corporation  Volvo Corporate Intellectual Property BF14100, M1.7 405 08 Göteborg 405 08 Göteborg (SE)